Lighting device



FIG. 1 is a left side view of the lighting device of the design.

FIG. 2 is a front view of the lighting device of the design.

FIG. 3 is a right side view of the lighting device of the design.

FIG. 4 is a rear view of the lighting device of the design.

FIG. 5 is a top view of the lighting device of the design.

FIG. 6 is a bottom view of the lighting device of the design.

FIG. 7 is a front perspective view of the lighting device of the design; and,

FIG. 8 is a second front perspective view of the lighting device of the design. 

We claim the ornamental design for a lighting device, as shown and described. 